Sodium bisulfite
7631-90-5 Basic informationMore
- Product Name:Sodium bisulfite
- Synonyms: SULFUROUS ACID MONOSODIUM SALT SODIUM ACID SULFITE SODIUM BISULFITE SODIUM BISULFITE, META monosodium sulfite NATRII METABISULFIS SODIUM SULFITE ANH SODIUM HYDROSULPHITE (HYDROUS)
- CAS:7631-90-5
- MF:HNaO3S
- MW:104.06
- EINECS:231-548-0
- Mol File:7631-90-5.mol
-
USE
Add sodium sulphite mother liquor (containing NaHSO3 40%, Ph value of 3 to 4) slowly into soda ash to generate sodium sulfite solution (to the slurry Ph value of 7~8 for the end); transfer the above sodium sulfite solution into series reactors (2 to 3) to absorb the SO2 gas (10% to 13%) from the combustion of sulfur, forming sodium bisulfite (to the reaction temperature no longer rising for the end). In the reaction process, a large number of crystals precipitate out, which is centrifuged to obtain the wet goods with moisture content of 6% to 10%, and then dehydrated by air drying at 250 to 300 ° C to make the final products.<br />
2NaHSO3 + Na2CO3 → 2Na2SO3 + H2O + CO2↑<br />
NaSO3+H2O→2NaHSO3<br />
Absorb sulfur dioxide from the gas of sulfuric acid production with soda ash solution to generate sodium bisulfite. After further centrifugal separation and air drying at 250~300 ° C, the final sodium bisulfite is obtained. <br />
Na2CO3 + 2SO2 + H2O → 2NaHSO3 + CO2↑
Lastest Price from Sodium bisulfite manufacturers
- Sodium bisulfite
-
- US $0.00-0.00/kg
- CAS:7631-90-5
- Min. Order: 1kg
- Purity: 99%
- Supply Ability: 1000000
- 2024-11-07
- Sodium bisulfite
-
- US $70.00-20.00/kg
- CAS:7631-90-5
- Min. Order: 1kg
- Purity: 0.99
- Supply Ability: 20 tons
- 2024-10-25
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- Company Name:Anqing Xin Yaling Chemical Co. Ltd.
- Tel:0556-5910769 13956548455
- Products Intro:CAS:7631-90-5
- CB Index:58
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